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DR. JOHN HAYDEN SONNIER MD
NPI 1053005025
Pediatrics in Chicago, IL

Active since June 05, 2023PECOS Enrolled
225 E CHICAGO AVE, CHICAGO, IL 60611(312) 227-4000 Get Directions Write a Review

NPPES record last updated: June 19, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 19, 2024, Jun 5, 2023 (2 updates tracked since 2023).

About Dr. John Hayden Sonnier Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN HAYDEN SONNIER MD (NPI 1053005025) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (125.083394) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053005025
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. JOHN HAYDEN SONNIERCredential: MD
Location Address225 E CHICAGO AVEChicago, IL 60611-2991
Mailing Address225 E Chicago AveChicago, IL 60611-2991 · (312) 227-4000
Phone(312) 227-4000
Sole ProprietorYes
Enumeration DateJune 5, 2023
Last NPPES UpdateJune 19, 20242 updates tracked since enumeration
NPPES CertifiedJune 19, 2024
✔ NPI 1053005025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 125.083394
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
225 E CHICAGO AVE, Chicago, IL 60611
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John Hayden Sonnier Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BESSEY ELIZABETH JOSE GEEVARGHESE DO
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (630) 933-6631
CHRISTINA SOOJIN KIM M.D.
Pediatrics
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (443) 928-7458
JESSICA LAUREN OFFENBACH APN
Nurse Practitioner (Pediatrics)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
MS. JENNY KO LEE APN
Nurse Practitioner (Neonatal)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (847) 962-6268
ERIN COHEN MD
Pediatrics (Hospice and Palliative Medicine)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
DR. JOSEPH HART COLLINS MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-3550
ALEXIS LYN HARMON
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000
SHANNON JULIA CONWAY MD
Student in an Organized Health Care Education/Training Program
225 E CHICAGO AVE
CHICAGO, IL 60611
Cook County (312) 227-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Sonnier's NPI number?

The NPI number for John Sonnier is 1053005025. It was assigned to this individual provider in the NPPES registry on June 5, 2023.

Where is John Sonnier located?

John Sonnier practices at 225 E Chicago Ave, Chicago, IL 60611. The listed phone number is (312) 227-4000.

What is John Sonnier's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is John Sonnier enrolled in Medicare?

Yes. John Sonnier is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Sonnier was last updated on June 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.